If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I am a type of room you cannot enter or leave. Raised from the ground below, I could be poisonous or a delicious treat. What am I?

How can you leave a room with two legs and return with six legs?

Can you find out the smallest number that can be conveyed as the sum of three squares in three unique ways?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

If a wheel has 54 spokes, how many spaces are there between the spokes?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

Mr. Buttons was all set to go to the village of Buttonland to meet his friend. So, he packed his bags and left for the village at 5 in the morning. Upon travelling on a road for miles, he came across a point where the road diverged into two. He was confused on which road to take. He gazed around and he saw two owls sitting on a branch. He thought he could ask for directions for the village from the two owls. So he went to the tree. There he saw a sign which read, "One owl always lies, and one is always truthful. They both fly away if you ask them more than 1 question."
Mr. Buttons was caught in the dilemma of what to ask? And from which owl to ask, since he only had one question. What should Mr. Buttons ask?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

What does this simple rebus mean?